The Hubble image of Arp's Loop was created from HST data from proposal 10915: J. Dalcanton (University of Washington).

The Hubble image of Holmberg IX was created from HST data from proposal 10605: E. Skillman (University of Minnesota, Twin Cities).

Instrument:

ACS/WFC

ACS/WFC

Exposure Date(s):

September 22, 2006

March 23, 2006

Filters:

F435W (B) and F814W (I)

F555W (V) and F814W (I)

About the Image

Image Credit:

NASA, ESA, and D. de Mello (Catholic University of America and GSFC)

NASA, ESA, and the Hubble Heritage Team (STScI/AURA)

Release Date:

January 8, 2008

January 8, 2008

Color:

These images are a composite of separate exposures made by the ACS instrument on the Hubble Space Telescope. Two filters were used to sample broad wavelength ranges. The color results from assigning different hues (colors) to each monochromatic image. In this case, the assigned colors are: